http://gphjournal.org/index.php/m/issue/feed GPH - International Journal of Mathematics 2020-11-30T07:31:36+00:00 MOHD MUSTAQUE(FranK) editor@gphjournal.org Open Journal Systems <p style="font-family: Helvetica;">The GPH Journal of&nbsp; Mathematics&nbsp;is a an open access journal which publishes research articles, reviews, case studies, guest edited thematic issues and short communications/letters in all areas of mathematics, applied mathematics, applied commutative algebra and algebraic geometry, mathematical biology, physics and engineering, theoretical bioinformatics, experimental mathematics etc.</p> http://gphjournal.org/index.php/m/article/view/333 The Modeling and Analysis of the Interaction of Neutral Populations and Drug and Gang Populations: A Competing Species Model 2020-11-30T07:31:36+00:00 Art Kazmierczak akazmierczak1949@gmail.com <p>Previous work has modeled interaction between neutral citizens and one other population, the drug population, the gang population or the violent police population. Though interesting, these models do not reflect reality, neutral citizens must interact with all three other populations. This paper addresses the interaction between neutral populations and drug, and gang populations. The formulation is based on models of interactions between competing species type dynamics. An exploration of the long-term dynamics and stability of homogeneous equilibrium solutions and their stability is given.</p> 2020-11-30T07:29:37+00:00 ##submission.copyrightStatement##